Home / 16,176.15-22,321.49-9,102.42

Finding the Fourth Proportional to 16,176.15, 22,321.49 and 9,102.42

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Solution

The fourth proportional to 16,176.15, 22,321.49 and 9,102.42 is: 12,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,176.15 : 22,321.49 = 9,102.42 : x
  2. Step 2: Convert to fraction form
    16,176.15/22,321.49 = 9,102.42/x
  3. Step 3: Cross multiply
    16,176.15x = 22,321.49 × 9,102.42
  4. Step 4: Simplify right side
    16,176.15x = 203,179,531.49
  5. Step 5: Solve for x
    x = 203,179,531.49/16,176.15
  6. Step 6: Final answer
    x = 12,560.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.